import java.util.Collections;
import java.util.List;
import java.util.Objects;
-import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang3.StringUtils;
import org.javatuples.Pair;
import org.openecomp.sdc.be.auditing.api.AuditEventFactory;
import org.openecomp.sdc.be.model.User;